diff --git a/src/mms/iso_mms/server/mms_file_service.c b/src/mms/iso_mms/server/mms_file_service.c
index 132039e0..1bd29ef5 100644
--- a/src/mms/iso_mms/server/mms_file_service.c
+++ b/src/mms/iso_mms/server/mms_file_service.c
@@ -667,7 +667,7 @@ mmsServer_handleObtainFileRequest(
 
                 mmsClient_createFileOpenRequest(task->lastRequestInvokeId, request, sourceFilename, 0);
 
-                IsoConnection_sendMessage(task->connection->isoConnection, request, false);
+                IsoConnection_sendMessage(task->connection->isoConnection, request, true);
 
                 MmsServer_releaseTransmitBuffer(connection->server);